MESON Chess Problem Database

Problem Display
PID: 264092 (3B4/8/8/KB1P4/8/4Np1R/N2kpQ2/8 w - - 0 1)

Keeney, Palmer Gunkel

Tijdschrift vd KNSB, 1946

3B4/8/8/KB1P4/8/4Np1R/N2kpQ2/8

#2

8 + 3

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Sf1+?
      • 1...Kd1
        • 2.Ba4#
      • 1...Kc2!
  • Keys
    • 1.Qh4!
      • 1...Kxe3
        • 2.Bg5#
      • 1...e1Q
        • 2.Qd4#
      • 1...e1S
        • 2.Qf2#
      • 1...e1B
        • 2.Qd4#
      • 1...e1R
        • 2.Qd4#
      • 1...f2
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(a);N_GUARD,N_SPINP(b),P-FLIGHT::B(F)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(B);N_PINP(b)
    • Vars
      • K(a);OGATEB,P_SPINP(c),S_FLIGHT,XS(C)::B(H)
      • P(b);SBLOCK::QAR2(B)
      • P(b);OGATEB::QAR2(B)
      • P(c);::QAB(B)
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).